function chkdiv(divid){
	var chkid=document.getElementById(divid);
	if(chkid != null){return true; }
	else {return false; }	
}
if (chkdiv('fy')){
	document.getElementById('fy').innerHTML='上一篇：<a href="/News/2019-9/177081">2020届高考地理考点一本通课件+练习 </a>  下一篇：<a href="/News/2019-9/177083">2020版化学高考新素养总复习人教新高考版课件+讲义 </a> ';
}